A member asked:

Can an unneeded cardioversion cause svt or other heart problems? i was having a weed indused panic attack and they shocked me with 100 joilts in the ambulance and it didn't work and they gave me 3 shots of denison that did not work either?

A doctor has provided 1 answer

Intravenous adenosine is used to terminate SVT & is usually quite effective even though more than 1 dose may be needed. Can we be sure the arrhythmia was SVT & not sinus tachycardia,A fib or A flutter? An electric cardioversion if not properly synchronized, can induce dangerous ventricular fibrillation. If this occurs unsynchronized defibrillation must be carried out immediately.

Answered 8/9/2022

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